Cpasjuste has released a new version of his Snes emulator for the Nintendo Switch:

pSNES 1.5

switch: fix deletion of non zipped roms...

pSNES 1.4

fix SuperFX (star fox working fine now)
fix cheats loading (put "rom_name.cht" with game genie codes in cheat folder, see readme for format)
add cheat option to options menu (ON/OFF)
improve audio thread, faster and smoother gameplay
disable jerky auto frameskip, smoother gameplay
update to latest snes9x codebase (1.56.2)
add 4 players support
only show zip, sfc and smc files in no-db mode
add titles images support in the "titles" folder (used by default, press L/R to show previews image)
add possibility to display icons (32x32 png in the "icons" folder). Can be enabled or disable from pSNES options menu (slow loading time if lot of icons on switch)
show progress box on rom loading
update font
switch: add L/R STICKS ui button icons
switch: fix crash after multiple roms loading (~9 loaded roms)
vita: add vita support, too slow for now...

download https://github.com/Cpasjuste/psnes

via https://www.nintendomax.com/viewtopic.php?f=168&t=16670